Question 1

Café au lait skin macules are associated with

Accepted Answer

A)   monostotic fibrous dysplasia.
B)   polyostotic fibrous dysplasia.
C)   Paget disease of bone.
D)   osteomalacia. B

Question 2

Which type of lesions typically arises in the posterior mandible and appears as an isolated, well-delineated radiolucent-to-radiopaque lesion that is less than 1.5 cm in size?

Accepted Answer

A)   Periapical cemento-osseous dysplasia
B)   Focal cemento-osseous dysplasia
C)   Florid cemento-osseous dysplasia
D)   Monostotic fibrous dysplasia B

Question 3

The painless jaw swelling seen in monostotic fibrous dysplasia may cause all symptoms except one. Which is the exception?

Accepted Answer

A)   Tooth mobility
B)   Malocclusion
C)   Displacement of adjacent teeth
D)   Tipping of teeth A

Question 4

"Ground glass" is the classic radiographic description of _________________.

Accepted Answer

A)   Osteomalacia
B)   Paget disease of bone
C)   Fibrous dysplasia
D)   Florid cemento-osseous dysplasia

Question 5

Osteomalacia is a disease of bone that develops over a long period as a result of an iron deficiency. Delayed tooth eruption and periodontal disease are associated with osteomalacia.

Accepted Answer

A)   Both statements are true.
B)   Both statements are false.
C)   The first statement is true, and the second is false.
D)   The first statement is false, and the second is true.

Question 6

Light brown skin macules associated with polyostotic fibrous dysplasia are termed

Accepted Answer

A)   Koplik spots.
B)   café au lait spots.
C)   brown tumors.
D)   gritty tissue.

Question 7

Where does the disease extend when fibrous dysplasia involves the maxilla?

Accepted Answer

A)   Nasal cavity
B)   Orbits
C)   Maxillary sinus
D)   Periapical areas of maxillary molars

Question 8

Café au lait spots appear on the skin as which color(s)?

Accepted Answer

A)   Reddish pink
B)   Light brown
C)   Yellow white
D)   Black

Question 9

Which type of lesion occurs most often in black women older than age 40 and is characterized by disordered cementum and bone, typically affecting more than one quadrant of the maxilla and mandible in the posterior regions?

Accepted Answer

A)   Periapical cemento-osseous dysplasia
B)   Focal cemento-osseous dysplasia
C)   Florid cemento-osseous dysplasia
D)   Monostotic fibrous dysplasia

Question 10

What is a common feature of the central giant cell granuloma?

Accepted Answer

A)   Heat and cold sensitivity
B)   Fast-growing lesion
C)   High recurrence rate
D)   Divergence of roots of teeth adjacent to the lesion

Question 11

The most common type of fibrous dysplasia, characterized by involvement of a single bone, is termed

Accepted Answer

A)   Paget disease.
B)   polyostotic fibrous dysplasia.
C)   monostotic fibrous dysplasia.
D)   central giant cell granuloma.

Question 12

Characteristics of polyostotic fibrous dysplasia include the following except one. Which is the exception?

Accepted Answer

A)   Most cases are asymptomatic.
B)   Male predilection
C)   Occurs in children under 10 years of age
D)   Seen in association with skin lesions

Question 13

Osteitis deformans and leontiasis ossea are other names for what chronic metabolic bone disease?

Accepted Answer

A)   Central giant cell granuloma
B)   Jaffe-Lichtenstein
C)   Paget disease
D)   Albright syndrome

Question 14

The most severe form of polyostotic fibrous dysplasia is termed Albright syndrome. This condition is characterized by endocrine abnormalities such as precocious puberty that may begin at which age?

Accepted Answer

A)   2 years
B)   4 years
C)   6 years
D)   8 years

Question 15

An aneurysmal bone cyst contains the following except one. Which is the exception?

Accepted Answer

A)   Fibrous connective tissue
B)   Epithelial lining
C)   Multinucleated giant cells
D)   Blood-filled spaces

Question 16

All conditions are benign fibrous-osseous lesions that affect the maxilla and mandible except one. Which is the exception?

Accepted Answer

A)   Periapical cemento-osseous dysplasia
B)   Fibrous dysplasia
C)   Florid cemento-osseous dysplasia
D)   Gingival fibromatosis

Question 17

_______________ fibrous dysplasia is characterized by endocrine abnormalities, including precocious puberty in females and stunting or deformity of skeletal growth in both sexes as a result of early epiphyseal plate closure.

Accepted Answer

A)   Craniofacial
B)   Jaffe-Lichtenstein type
C)   Albright syndrome
D)   Monostotic

Question 18

When osteomalacia occurs in young children, it is usually caused by a nutritional deficiency in vitamin _____.

Accepted Answer

A)   A
B)   D
C)   E
D)   K

Question 19

Which statement is true of periapical cemento-osseous dysplasia?

Accepted Answer

A)   It is a neoplasm.
B)   The lesion is painful and occurs most often in the posterior maxilla.
C)   Teeth in the area are usually not vital.
D)   Older lesions are primarily radiopaque.

Question 20

Numerous gritty pieces of soft and hard tissue that contain fibrous connective tissue interspersed with bone trabeculae and cementum-like material is characteristic of which condition?

Accepted Answer

A)   Focal cemento-osseous dysplasia
B)   Central cementifying fibroma
C)   Florid cemento-osseous dysplasia
D)   Ossifying fibroma

Exam 8: Nonneoplastic Diseases of Bone